CN108538055A - A kind of control method and system that the pre- anti-vehicle in intersection is detained - Google Patents
A kind of control method and system that the pre- anti-vehicle in intersection is detained Download PDFInfo
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- CN108538055A CN108538055A CN201810589345.3A CN201810589345A CN108538055A CN 108538055 A CN108538055 A CN 108538055A CN 201810589345 A CN201810589345 A CN 201810589345A CN 108538055 A CN108538055 A CN 108538055A
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- vehicle
- crossing
- intersection
- road section
- detection zone
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
Abstract
The invention discloses control methods and system that a kind of pre- anti-vehicle in intersection is detained, including：In crossing setting prompt the crossing direction whether the suggestion device of congestion；In intersection, the setting position of downstream road section and crossing detection zone carry out being lined up the detection of vehicle two respectively；When detecting that queuing vehicle reaches the setting position of intersection downstream road section, alarm signal is sent out, subsequent vehicle is prevented to continue to drive into；When the queuing vehicle dissipation signal of the queuing vehicle dissipation signal and crossing detection zone that are detected simultaneously by intersection downstream road section setting position, alarm signal is closed.Advantageous effect of the present invention：By carrying out the detection of queuing vehicle to crossing downstream road section, the vehicle that preceding pair is not driven into crossing also occurs in vehicle intersection trapping phenomena and reminds, can effectively prevent the generation of vehicle intersection trapping phenomena.
Description
Technical field
The present invention relates to the control methods that the pre- anti-vehicle of technical field of intelligent traffic more particularly to a kind of intersection is detained
And system.
Background technology
With the growth of China's car ownership, traffic jam issue increasingly highlights, not only affect people it is daily go out
Row, while restrict the development of social economy.
In the traffic of congestion, a kind of extremely serious problem of harm is exactly that vehicle shows what intersection was detained
As mainly since vehicle is in the case where the exit of intersection is blocked, subsequent vehicle, which continues to drive into crossing, to be made
At a kind of traffic overflow.China exists《Law on road traffic safety implementing regulations》It is provided in 53rd article：" motor vehicles are met
When front cross mouth traffic jam, should rest in other than crossing and wait successively, crossing must not be entered ", for violating the rules
The vehicle being detained in crossing will be considered as vehicles peccancy.
The vehicle being trapped in crossing seriously hinders the normal pass of other direction vehicles sometimes, forms traffic congestion,
Since the phenomenon mostly occurs in rush hour city morning and evening section, easily other crossings are spread around, cause adjacent intersection
Vehicle also generate trapping phenomena, when occurring vehicle delay in multiple crossings around, then can be formed traffic lattice lock, eventually lead to
The traffic paralysis of road network large area.Vehicle is shown in process such as Fig. 1 (a)-(d) that intersection trapping phenomena is spread.
Vehicle intersection trapping phenomena Producing reason is mainly influenced by front vehicles due to the sight of rear driver,
Congestion outside to junction ahead is difficult to accurately hold, thus in the case where crossing exit has occurred and that obstruction after driving
Enter crossing, causes vehicle in the generation of crossing trapping phenomena.At present for the means of prevention of vehicle intersection trapping phenomena mainly according to
By the mode of traffic police's floor manager.Which not only needs to put into a large amount of human cost, but also can be to shuttling in crossing wagon flow
Between the law enforcement traffic police that is commanded bring security risk.
It is found through retrieval, the research for administering vehicle intersection trapping phenomena using technological means at present is less, and the prior art is only
Delay vehicle can be detected after vehicle has been trapped in intersection and the vehicle for not entering crossing is prompted,
Prevention effect can not be played before this is happened.Therefore before how effectively occurring the phenomenon that vehicle is trapped in crossing,
The technical issues for the treatment of the vehicle driven into be controlled, preventing the generation of vehicle intersection trapping phenomena, become urgent need to resolve.
Invention content
In order to overcome the deficiencies of the prior art, the present invention proposes a kind of control method that the pre- anti-vehicle in intersection is detained, should
Method by crossing downstream road section specific position carry out queuing vehicle detection, can queuing vehicle block crossing it
Before, the vehicle to not driving into crossing is reminded, to the generation of pre- anti-vehicle trapping phenomena in intersection.
To achieve the above object, concrete scheme of the invention is as follows：
The first object of the present invention is the control method for disclosing a kind of pre- anti-vehicle in intersection and being detained, including：
In crossing setting prompt the crossing direction whether the suggestion device of congestion；
In intersection, the setting position of downstream road section and crossing detection zone carry out being lined up the detection of vehicle two respectively；
When detecting that queuing vehicle reaches the setting position of intersection downstream road section, alarm signal is sent out, after prevention
Continuous vehicle continues to drive into；
When the queuing vehicle dissipation signal and crossing detection zone for being detected simultaneously by intersection downstream road section setting position
When the queuing vehicle dissipation signal in domain, alarm signal is closed.
Further, it is described the setting position of intersection downstream road section carry out be lined up vehicle two detection be specially：
In intersection, speed of vehicle detector is installed in the setting position of downstream road section, is examined to the speed of vehicle in detection zone
It surveys, when detecting that vehicle lay-off or speed are less than given threshold, judgement queuing vehicle has reached the position, to send out warning
Signal.
Further, the determination method of intersection downstream road section setting position is specially：
Detection reference distance of the zone position away from upstream crossing is equal to：The sum of average length of car and parking spacing are wide with crossing
The difference of the product of degree divided by the average vehicular gap of peak time vehicle and spacing of stopping.
Further, when detecting that vehicle sails out of detection zone one in the setting position detection zone of intersection downstream road section
Section the time in driven into without vehicle or subsequently have vehicle cross but speed be more than given threshold when, then judge the queuing phenomena of the position
It has been dissipated that, send out the queuing vehicle dissipation signal of intersection downstream road section setting position detection zone at this time.
Further, when detected in the detection zone of crossing vehicle stop state perdurabgility be less than setting time threshold value,
And have continuous several frame spectral discriminations crossing detection zone without vehicle later, then judge that the vehicle at crossing has been drained off, sends out crossing
The queuing vehicle dissipation signal of detection zone.
The second object of the present invention is the control system for disclosing a kind of pre- anti-vehicle in intersection and being detained, including：
Be arranged in crossing for prompt the crossing direction whether the suggestion device of congestion；
It is arranged in the setting position of intersection downstream road section, the Bus- Speed Monitoring for detecting the region Vehicle Speed
Device；
Video detector group in crossing detection zone is set；
The vehicle speed detector device is connected with video detector group respectively at suggestion device.
Further, the vehicle speed detector device is ground sense formula speed of vehicle detector.
Further, the vehicle speed detector device is video detector.
Beneficial effects of the present invention：
1. the present invention is by the detection to crossing downstream road section progress queuing vehicle, before the generation of vehicle intersection trapping phenomena
The vehicle for pair not driving into crossing also is reminded, and the generation of vehicle intersection trapping phenomena can be effectively prevented.
2. the present invention by the calculating to detection zone reference position, can avoid the prevention caused by detection zone is blindly set up
The defects of effect is poor.For example, detection zone positional distance upstream crossing is excessively close, it will cause prompt times too late, thus can not rise
To preferable preventive effect；If test position too far, can cause down apart from crossing due to causing to forbid vehicle to drive into too early
Swim the waste etc. of path resource.
Description of the drawings
Fig. 1 (a) is that vehicle trapping phenomena schematic diagram occurs for single crossing；
Fig. 1 (b) is that trapping phenomena diffuses to adjacent intersection schematic diagram；
Fig. 1 (c) is that vehicle trapping phenomena schematic diagram occurs for Multiple Intersections；
Fig. 1 (d) is to be detained to lead to road grid traffic paralysis schematic diagram；
Fig. 2 is detector schematic view of the mounting position；
Fig. 3 is that vehicle intersection is detained prevention scheme schematic diagram.
Specific implementation mode：
The present invention is described in detail below in conjunction with the accompanying drawings：
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.Additionally, it should be understood that when in the present specification use term "comprising" and/
Or when " comprising ", existing characteristics, step, operation, device, component and/or combination thereof are indicated.
In order to solve the problems, such as that background technology proposes, the invention discloses the controls that a kind of pre- anti-vehicle in intersection is detained
Method, as shown in figure 3, including：
First, crossing can be worked as to the electronic alarm screen that direction driving vehicle is reminded by being arranged one in crossing
When traffic overflow will occur for downstream road section, it can show that printed words such as " congestion are forbidden " carry out the driver that will drive into crossing
Effectively prompt.
Secondly, in intersection, the specific position of downstream road section installs detector, is detected to queuing vehicle, works as detection
When reaching the position to queuing vehicle, is sent out to warning screen and light signal.
The location determination process for installing detector is as follows：
If crossing width is D, average length of car C, the average vehicular gap of peak time vehicle is d1, spacing of stopping
For d2, detection reference distance of the zone position away from upstream crossing is L, as shown in Figure 2.It is lighted in crossing " congestion is forbidden " warning screen
Afterwards, since crossing is driven into subsequent vehicle stopping, so will be kept not from the upstream boundary at crossing to the vehicle number between detection zone
Become, the distance between vehicle gradually becomes the spacing d2 that stops from vehicular gap d1, and the road section length L at detector distance crossing is just
Rolling stock can be accommodated, so as to obtain (L+D)/(C+d1)=L/ (C+d2), arrangement can obtain after warning screen signal lights, energy
Enough ensure that the vehicle in crossing is all driven out to the detection zone position at crossing and seeks formula and be：
L=D (C+d2)/(d1-d2) (1-1)
The detection process of queuing vehicle is as follows：
The generation of vehicle queue phenomenon is the influence due to the obstruction of downstream road junction and signal lamp etc. in section so that is sailed
Entering the vehicle in the section can not be driven out in time, be lined up to rest in section, therefore the detection of queuing vehicle is main
According to its stagnation of movement feature, the speed of vehicle in detection zone is detected, when detecting that vehicle lay-off or speed is less than certain threshold
It then can determine that queuing vehicle has reached the position when value, signal lighted to be sent out to electronic alarm screen.
Due to crossing monitor camera apart from the detection zone farther out, and shooting angle is too low, can not be to the row in detection zone
Team's vehicle is effectively detected, thus in embodiment of the present invention for detect the detector of queuing vehicle for feel formula speed
Detector, alternative solution are to set up specific video detector etc. here.
The control program schematic diagram that the pre- anti-vehicle that the present invention designs is detained in intersection is as shown in figure 3, blue mark
Detector detection zone is felt in region, when detecting that queuing vehicle reaches herein, i.e., is sent out to electronic alarm screen and lights signal
Subsequent vehicle is prevented to continue to drive into.
Subsequent vehicle is caused to drive into crossing formation delay with regard to extinguishing warning screen to prevent congestion from not dissipating completely, so originally setting
The queue clearance signal that the black out signal (being indicated with S) of crossing " congestion is forbidden " warning screen is sent out by ground induction coil detector in meter
The delay dissipation signal S2 that video detector group is sent out in S1 and crossing, which combines, to be provided：S=S1＆＆S2 receives two letters when simultaneously
Number when, warning screen extinguish.
Wherein, whether ground induction coil detector is used for detecting the queuing vehicle of intersection downstream road section setting position
It dissipates, when detection zone section is driven into without vehicle or subsequently has vehicle to cross but speed is more than given threshold, you can judging should
The queuing phenomena of position has dissipated, and sends out the queue clearance letter of intersection downstream road section setting position detection zone at this time
Number.
Whether the delay vehicle that video detector group is used for detecting in crossing in crossing has dissipated, when crossing detection zone
Middle halted state perdurabgility is less than setting time threshold value, and have later continuous several frame spectral discriminations crossing detection zone without
Vehicle then judges that the vehicle at crossing has been drained off, and sends out the queuing vehicle dissipation signal of crossing detection zone.
In the present embodiment, D=40 meters of the actual measured width at crossing, the average vehicle commander on the section is 4.3 meters, morning peak
Average vehicular gap d1=8 meters of vehicle in period, the average parking spacing for being lined up parking are d2=3 meters.According to formula
(1-1) feels L=58.4 meters of distance of the test position of detector apart from crossing in which can acquire.Finally, from intersection downstream
Sense detector in ground is laid at 58.4 meters of outlet.
When locality sense detector detects that queuing vehicle reaches this position, alarm signal is sent out to crossing electronic alarm screen,
It prevents subsequent vehicle to continue to drive into crossing in time, prevents the generation of vehicle intersection trapping phenomena.Locality sense detector detects vehicle
Queuing phenomena has dissipated, meanwhile, video detector group detects that the vehicle in crossing all sails out of crossing, puts out at this time
Go out electronic alarm screen, restores the normal pass of intersection.
The present invention further discloses the control systems that a kind of pre- anti-vehicle in intersection is detained, including：
Be arranged in crossing for prompt the crossing direction whether the suggestion device of congestion；
It is arranged in the setting position of intersection downstream road section, the Bus- Speed Monitoring for detecting the region Vehicle Speed
Device；
Video detector group in crossing detection zone is set；
Vehicle speed detector device is connected with video detector group respectively at suggestion device.
Wherein, vehicle speed detector device is the video detector of ground sense formula speed of vehicle detector or hypothesis in the position.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. a kind of control method that the pre- anti-vehicle in intersection is detained, which is characterized in that including：
In crossing setting prompt the crossing direction whether the suggestion device of congestion；
In intersection, the setting position of downstream road section and crossing detection zone carry out being lined up the detection of vehicle two respectively；
When detecting that queuing vehicle reaches the setting position of intersection downstream road section, alarm signal is sent out, follow-up vehicle is prevented
Continue to drive into；
When the queuing vehicle dissipation signal and crossing detection zone for being detected simultaneously by intersection downstream road section setting position
When queuing vehicle dissipation signal, alarm signal is closed.
2. a kind of control method that the pre- anti-vehicle in intersection is detained as described in claim 1, which is characterized in that described to hand over
The setting position of cross road mouth downstream road section carries out being lined up the detection of vehicle two：
In intersection, speed of vehicle detector is installed in the setting position of downstream road section, is detected to the speed of vehicle in detection zone,
When detecting that vehicle lay-off or speed are less than given threshold, judgement queuing vehicle has reached the position, to send out warning letter
Number.
3. a kind of control method that the pre- anti-vehicle in intersection is detained as described in claim 1, which is characterized in that the intersection
The determination method of crossing downstream road section setting position is specially：
Detection reference distance of the zone position away from upstream crossing is equal to：The sum of average length of car and parking spacing and crossing width
The difference of the average vehicular gap and spacing of stopping of product divided by peak time vehicle.
4. a kind of control method that the pre- anti-vehicle in intersection is detained as described in claim 1, which is characterized in that work as crossroad
Detect that vehicle sails out of detection zone and driven into without vehicle in for a period of time or subsequently in the setting position detection zone of mouthful downstream road section
Have vehicle cross but speed be more than given threshold when, then judge that the queuing phenomena of the position has dissipated, send out crossroad at this time
The queuing vehicle dissipation signal of mouth downstream road section setting position detection zone.
5. a kind of control method that the pre- anti-vehicle in intersection is detained as described in claim 1, which is characterized in that when crossing is examined
Halted state perdurabgility is less than setting time threshold value in survey region, and has continuous several frame spectral discriminations crossing detection zone later
Domain then judges that the vehicle at crossing has been drained off without vehicle, sends out the queuing vehicle dissipation signal of crossing detection zone.
6. a kind of control system that the pre- anti-vehicle in intersection is detained, which is characterized in that including：
Be arranged in crossing for prompt the crossing direction whether the suggestion device of congestion；
It is arranged in the setting position of intersection downstream road section, the Bus- Speed Monitoring for detecting the region Vehicle Speed fills
It sets；
Video detector group in crossing detection zone is set；
The vehicle speed detector device is connected with video detector group respectively at suggestion device.
7. the control system that the pre- anti-vehicle in intersection as claimed in claim 6 is detained, which is characterized in that the Bus- Speed Monitoring
Device is ground sense formula speed of vehicle detector.
8. the control system that the pre- anti-vehicle in intersection as claimed in claim 6 is detained, which is characterized in that the Bus- Speed Monitoring
Device is video detector.
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| CN201810589345.3A CN108538055A (en) | 2018-06-08 | 2018-06-08 | A kind of control method and system that the pre- anti-vehicle in intersection is detained |
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| CN201810589345.3A CN108538055A (en) | 2018-06-08 | 2018-06-08 | A kind of control method and system that the pre- anti-vehicle in intersection is detained |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109215351A (en) * | 2018-11-07 | 2019-01-15 | 沈阳天久信息技术工程有限公司 | The method and device for preventing intersection locked |
| CN109523791A (en) * | 2018-10-31 | 2019-03-26 | 武汉烽火众智数字技术有限责任公司 | A kind of early warning analysis method and device for being detained vehicle |
| CN109979199A (en) * | 2019-04-10 | 2019-07-05 | 宁波保税区立诚信息技术有限公司 | What a kind of intersection traffic slime flux did well automatically terminates method |
| CN110503836A (en) * | 2019-10-08 | 2019-11-26 | 北京工业大学 | A kind of anti-overflow control method of oversaturated intersection based on dual detector |
| CN111091713A (en) * | 2019-12-26 | 2020-05-01 | 江苏航天大为科技股份有限公司 | Regional traffic control method and device based on load balancing |
| CN111785010A (en) * | 2019-04-03 | 2020-10-16 | 北京嘀嘀无限科技发展有限公司 | Method and device for detecting traffic efficiency information |
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